Apeks MTX-RC Regulator-Din 300Bar

1 in stock (can be backordered)


The MTX-R is based on the MTX, a regulator that was developed in accordance with the United States Navy Experimental Dive Unit extreme cold water test. Innovations in design mean that the MTX-R regulator performs in almost freezing water at a depth of over 60 metres, something that very few other regulators on the consumer market can boast.


With an innovative first stage design that helps to prevent ice build up around the diaphragm, the MTX-R is reliable, rugged and expedition ready.

1 in stock (can be backordered)

SKU: RG122111 Categories: , Tags: , ,
  • A first of its kind, over-moulded first-stage end cap and environmental diaphragm to prevent ice build-up that could cause a free flow in extreme circumstances.
  • Forged 1st stage body gives maximum thermal performance.
  • Ribbed diaphragm clamp on the 1st stage ensures improved heat exchange in cold water conditions.
  • Angled HP ports allow for optimal hose routing and transmitter fitting.
  • Parallel turret ports allow for improved hose orientation.
  • Superb protection from impact damage on both the 1st and 2nd stage.
  • Simple to use 2nd stage with no dive adjustment controls and a reduced chance of free flow.
  • Double swivel hose for greater freedom of movement and comfort.
  • Patented heat exchanger surrounds the valve mechanism, dissipating the cold caused by gas expansion while drawing in the warmth of the ambient water.
  • Developed in accordance with the United States Navy Experimental Dive Unit extreme cold water test.
  • Tested for Octopus use to 60 metres in cold water.
    Connections Yoke and DIN available
    Type of first stage Over-balanced diaphragm design, environmentally sealed
    Body Type One piece forged body
    Number of HP ports 2 (7/16″ UNF)
    Number of MP ports 5 (3/8″ UNF)
    Environmental Dry Kit Standard
    First stage exterior Satin chrome
    Orientation Convertible LH or RH
    Coldwater Use Yes – extreme
    Type of second stage Pneumatically balanced
    Opening Effort Control Knob No
    Integrated Venturi Lever No
    Mouthpiece Comfo-bite™
    Exhaust tee Diver Changeable – one set supplied
    Heat Exchanger for freezing resistance Yes
    Hose type Braided Flexi-hose
    Nitrox compatible Yes to 40% O2 when new, out of the box / Can be O2 cleaned to 100%.



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